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Linear Equations/Word problems

Authored by Amber Thorpe

Mathematics

9th Grade

CCSS covered

Used 1+ times

Linear Equations/Word problems
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An airplane at 30,100 feet above ground begins descending at the rate of 2,150 feet per minute. Write a linear equation to find how many minutes it will take the plane to reach the ground.

y=30100 - 2150x

y = 30100 + 2150x

0 = 30100 - 2150x

y = 30100 - 2150(0)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.

y = 8x + 50

C = 50m +8

y = 50x + 8

C = 8m + 50

Tags

CCSS.HSF-BF.A.1A

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A T-shirt design company charges your team an initial fee of $25 to create the team's design. Each t-shirt printed with your design costs an additional $8. The equation for this situation is y = 8x + 25. Interpret the y-intercept in context.

The additional fee of $8.

The initial fee of $25.

The additional fee of $25.

The initial fee of $8.

Tags

CCSS.HSF.LE.B.5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sandra has a $20 itunes gift card and spends $3 each month.  Which equation can be used to find how much money Sandra has on her giftcard after x months?

y = 3x + 20
y = 3 + 20x
y = -3x + 20
y = -20x + 3

Tags

CCSS.6.EE.C.9

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which situation below is representative of y-intercept?

putting $300 a month into savings
buying $30 worth of supplies for a lemonade stand
Spending $3 per ride at the fair
Paying $2 for parking every day

Tags

CCSS.8.EE.B.5

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Joe’s Canoes charges an initial fee of $20 plus $4 an hour. Callie’s Canoes charges a flat rate of $14 an hour. Find the number of hours for which the total amount that both places charge would be the same.

3 hours
4 hours
1 hour
2 hours

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Amber's savings account had a balance of $350 rolled over from the previous year. She set it up for $50 to be drafted out of her checking account and into her savings account every month. What information in this problem represents the y-intercept?

350
50
-50
-350

Tags

CCSS.8.EE.B.5

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